The death toll from a militant hijacking of a train in Pakistan's southwestern mountains has risen to 31 soldiers, staff and civilians, the military said on Friday as it accused India and Afghanistan of backing the insurgents.

Terrorists in explosive vests have reportedly threatened Pakistan train passengers' lives if officials refuse to release imprisoned militants.

During a media visit to the site, Brigadier Umar Altaf informed reporters that the army used "precision targeting" to end the siege. The hijacked train, found in a remote mountain pass in Balochistan,